body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00B7FF;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid #e7e7e7;
  background-color: #f3f3f3;
}

li {
  float: left;
}

li a {
  display: block;
  color: #666;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover:not(.active) {
  background-color: #ddd;
}

li a.active {
  color: white;
  background-color: #4CAF50;
}
.form-box {
  width: 500px;
  margin: 100px auto;
}
.form-box .group {
  display: block; 
  width: 100%;
  height: 50px;
  line-height: 50px;
}
.group img{
  float: right;
  width: 199px;
  height: 50px;
}
.group input{
  float: left;
  width: 299px;
  height: 50px;
}
.form-box input{
  display: block; 
  width: 300px;
  height: 50px;
  line-height: 50px;
  padding: 0 10px;
  border: 1px #d9d9d9 solid;
  border-radius: 5px;
  font-size: 14px;
  -webkit-transition: all .3s ease-out;
  transition: all .3s ease-out;
  margin-bottom: 20px;
  overflow: hidden;
  box-sizing: border-box;
}

.form-box input[type='submit'],.form-box input[type='button'] {
  margin-top: 15px;
  font-size: 16px;
  border: 0;
  background-color: #03a9f4;
  color: #fff;
  cursor: pointer;
}
.form-box>div {
  text-align: center;
  line-height: 50px;
  float: right;
}

